Patent US2622342A successfully refreshed from Google Patents.
US2622342A
Expired / Lapsed
US
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Apparatus for the drying of granular and powdery materials
Assignee: Individual
•
Filing: 1950-05-02
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Granted: 1952-12-23
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Expires: 1970-05-02
Abstract
No abstract record available.
Inventors
- 👤 Goulounes Noel
- 👤 Caillat Albert Edouard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 22:27
CPC Classifications
F; F26; F26B; F26B17/00; F26B17/12; F26B17/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US128707A
Cited
US278356A
Cited
US1391510A
Cited
US1443597A
Cited
GB487256A
Cited
US2406509A
Cited
US2453278A
Cited
US2492132A
Cited
US2579607A
Cited
US2492754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |